(;GM[1]FF[4]SZ[19]
GN[But what about?]
PC[http://senseis.xmp.net/?33PointInvasionQuery3]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?33PointInvasionQuery3

But what about?]
PL[W]

AB[dc][dd][ce][bf]
AW[cc][cd][be]
LB[bc:b][af:a]

;W[cf]C[W1]MN[1]
;B[de]C[B2]MN[2]
;W[bg]C[W3]MN[3]
;B[bd]C[B4]MN[4]

;LB[bc:b][af:a]
)
